Answer:
Germany was held responsible for the war and had to pay other countries for their losses.
Millions of people had been killed using new technologies that had been invented during the war
Step-by-step explanation:
The Treaty of Versailles, which was signed after World War I, made Germany to take full responsibility for the war and pay reparations to the Allied Powers.
On the other hand, inventions like snipers, artillery and poison gas brought about distress and millions of losses of lives.